July weather forecast
Westwood, MA

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Weather in July

July, like June, in Westwood, Massachusetts, is another warm summer month, with an average temperature varying between 64°F (17.8°C) and 82°F (27.8°C).

Temperature

July stands out as Westwood's warmest month, with temperatures ranging between an average high of 82°F (27.8°C) and a low of 64°F (17.8°C).

Heat index

The heat index in July is computed to be a tropical 87.8°F (31°C). If one persists in activity during exposure, it could induce weariness and subsequently, heat cramps.
It is emphasized that the heat index's values are meant for shaded zones with mild winds. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', integrates the air's temperature and its humidity to showcase the felt temperature by people. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.

Humidity

The average relative humidity in July in Westwood, Massachusetts, is 75%.

Rainfall

In Westwood, Massachusetts, in July, it is raining for 11.7 days, with typically 0.67" (17mm) of accumulated precipitation. Throughout the year, in Westwood, there are 97.1 rainfall days, and 7.13" (181mm) of precipitation is accumulated.

Snowfall

In Westwood, snow does not fall in June through October.

Daylight

The average length of the day in July is 14h and 54min.
On the first day of the month, sunrise is at 5:12 am and sunset at 8:25 pm. On the last day of July, sunrise is at 5:37 am and sunset at 8:04 pm EDT.

Sunshine

In July, the average sunshine is 10.2h.

UV index

The months with the highest UV index in Westwood, Massachusetts, are June through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum daily UV index of 6 in July converts into the following recommendations:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
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Frequently asked questions

What is the warmest month in Westwood?

Westwood, Massachusetts, experiences its highest temperatures in July, with an average peak of 82°F (27.8°C) and a low of 64°F (17.8°C).

What is the usual temperature for Westwood in July?

Westwood in July has an average high-temperature of 82°F (27.8°C) and an average low-temperature of 64°F (17.8°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines relative humidity and air temperature, in July is computed to be 87.8°F (31°C).

What is the average humidity in July in Westwood?

The average relative humidity in July in Westwood, Massachusetts, is 75%.

How much does it rain in Westwood in July?

In Westwood, Massachusetts, in July, during 11.7 rainfall days, 0.67" (17mm) of precipitation is typically accumulated.

When it does not snow in Westwood?

In Westwood, Massachusetts, snow does not fall in June through October.

How many hours of daylight does Westwood have in July?

In July, the average day length is 14h and 54min.

When is the sunrise / sunset in July in Westwood?

On the first day of July in Westwood, sunrise is at 5:12 am and sunset at 8:25 pm. On the last day of the month, sunrise is at 5:37 am and sunset at 8:04 pm EDT.

How many hours of sunshine does Westwood have in July?

In Westwood, Massachusetts, the average sunshine duration in July is 10.2h.

What are the months with the highest UV index in Westwood?

The months with the highest UV index are June through August, with an average maximum UV index of 6.

How high is the UV index in July in Westwood?

In Westwood, Massachusetts, the average daily maximum UV index in July is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Westwood, MA

Average temperature in July - Westwood, MA
  • Average high temperature in July: 82°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (34.3°F).

  • Average low temperature in July: 64°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).

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Average pressure in July
Westwood, MA

Average pressure in July - Westwood, MA
  • Average pressure in July: 29.95"Hg

The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in July
Westwood, MA

Average wind speed in July - Westwood, MA
  • Average wind speed in July: 6mph

The windiest months (with the highest average wind speed) are January, February and March (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).

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Average humidity in July
Westwood, MA

Average humidity in July - Westwood, MA
  • Average humidity in July: 75%

The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is April (70%).

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Average rainfall in July
Westwood, MA

Average rainfall in July - Westwood, MA
  • Average rainfall in July: 0.67"

The wettest month (with the highest rainfall) is April (0.79").
The driest month (with the least rainfall) is September (0.31").

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Average rainfall days in July
Westwood, MA

Average rainfall days in July - Westwood, MA
  • Average rainfall days in July: 11.7 days

The month with the highest number of rainy days is July (11.7 days).
The month with the least rainy days is February (5.1 days).

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Average snowfall in July
Westwood, MA

Average snowfall in July - Westwood, MA
  • Average snowfall in July: 0"

The months with the highest snowfall are March and December (0.91").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in July
Westwood, MA

Average snowfall days in July - Westwood, MA
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (5 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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Average daylight in July /
Average sunshine in July
Westwood, MA

Average daylight in July / Average sunshine in July - Westwood, MA
  • Average daylight in July: 14h and 5min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in July: 10h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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Average sunshine days in July
Westwood, MA

Average sunshine days in July - Westwood, MA
  • Average sunshine days in July: 16.8 days

The month with the most sunshine days is November (22 days).
The month with the least sunshine days is July (16.8 days).

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Average UV index in July
Westwood, MA

Average UV index in July - Westwood, MA
  • Average UV index in July: 6

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average cloud cover in July
Westwood, MA

Average cloud cover in July - Westwood, MA
  • Average cloud cover in July: 35

The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 33).

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Average visibility in July
Westwood, MA

Average visibility in July - Westwood, MA
  • Average visibility in July: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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Westwood, Massachusetts, USA

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